278241516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 860461056

約数和(自身を除く): 582219540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 107, 119, 126, 153, 204, 214, 238, 252, 306, 321, 357, 428, 476, 607, 612, 642, 714, 749, 963, 1071, 1214, 1284, 1428, 1498, 1819, 1821, 1926, 2142, 2247, 2428, 2996, 3638, 3642, 3852, 4249, 4284, 4494, 5457, 5463, 6741, 7276, 7284, 8498, 8988, 10319, 10914, 10926, 12733, 12747, 13482, 16371, 16996, 20638, 21828, 21852, 25466, 25494, 26964, 30957, 32742, 38199, 38241, 41276, 50932, 50988, 61914, 64949, 65484, 72233, 76398, 76482, 92871, 114597, 123828, 129898, 144466, 152796, 152964, 185742, 194847, 216699, 229194, 259796, 288932, 371484, 389694, 433398, 454643, 458388, 584541, 650097, 779388, 866796, 909286, 1104133, 1169082, 1300194, 1363929, 1818572, 2208266, 2338164, 2600388, 2727858, 3312399, 4091787, 4416532, 5455716, 6624798, 7728931, 8183574, 9937197, 13249596, 15457862, 16367148, 19874394, 23186793, 30915724, 39748788, 46373586, 69560379, 92747172, 139120758, 278241516]

約数ペア:

[(1, 278241516), (2, 139120758), (3, 92747172), (4, 69560379), (6, 46373586), (7, 39748788), (9, 30915724), (12, 23186793), (14, 19874394), (17, 16367148), (18, 15457862), (21, 13249596), (28, 9937197), (34, 8183574), (36, 7728931), (42, 6624798), (51, 5455716), (63, 4416532), (68, 4091787), (84, 3312399), (102, 2727858), (107, 2600388), (119, 2338164), (126, 2208266), (153, 1818572), (204, 1363929), (214, 1300194), (238, 1169082), (252, 1104133), (306, 909286), (321, 866796), (357, 779388), (428, 650097), (476, 584541), (607, 458388), (612, 454643), (642, 433398), (714, 389694), (749, 371484), (963, 288932), (1071, 259796), (1214, 229194), (1284, 216699), (1428, 194847), (1498, 185742), (1819, 152964), (1821, 152796), (1926, 144466), (2142, 129898), (2247, 123828), (2428, 114597), (2996, 92871), (3638, 76482), (3642, 76398), (3852, 72233), (4249, 65484), (4284, 64949), (4494, 61914), (5457, 50988), (5463, 50932), (6741, 41276), (7276, 38241), (7284, 38199), (8498, 32742), (8988, 30957), (10319, 26964), (10914, 25494), (10926, 25466), (12733, 21852), (12747, 21828), (13482, 20638), (16371, 16996)]