215452908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 616412160

約数和(自身を除く): 400959252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 79, 97, 99, 132, 142, 158, 194, 198, 213, 237, 284, 291, 316, 388, 396, 426, 474, 582, 639, 711, 781, 852, 869, 873, 948, 1067, 1164, 1278, 1422, 1562, 1738, 1746, 2134, 2343, 2556, 2607, 2844, 3124, 3201, 3476, 3492, 4268, 4686, 5214, 5609, 6402, 6887, 7029, 7663, 7821, 9372, 9603, 10428, 11218, 12804, 13774, 14058, 15326, 15642, 16827, 19206, 20661, 22436, 22989, 27548, 28116, 30652, 31284, 33654, 38412, 41322, 45978, 50481, 61699, 61983, 67308, 68967, 75757, 82644, 84293, 91956, 100962, 123398, 123966, 137934, 151514, 168586, 185097, 201924, 227271, 246796, 247932, 252879, 275868, 303028, 337172, 370194, 454542, 505758, 544073, 555291, 681813, 740388, 758637, 909084, 1011516, 1088146, 1110582, 1363626, 1517274, 1632219, 2176292, 2221164, 2727252, 3034548, 3264438, 4896657, 5984803, 6528876, 9793314, 11969606, 17954409, 19586628, 23939212, 35908818, 53863227, 71817636, 107726454, 215452908]

約数ペア:

[(1, 215452908), (2, 107726454), (3, 71817636), (4, 53863227), (6, 35908818), (9, 23939212), (11, 19586628), (12, 17954409), (18, 11969606), (22, 9793314), (33, 6528876), (36, 5984803), (44, 4896657), (66, 3264438), (71, 3034548), (79, 2727252), (97, 2221164), (99, 2176292), (132, 1632219), (142, 1517274), (158, 1363626), (194, 1110582), (198, 1088146), (213, 1011516), (237, 909084), (284, 758637), (291, 740388), (316, 681813), (388, 555291), (396, 544073), (426, 505758), (474, 454542), (582, 370194), (639, 337172), (711, 303028), (781, 275868), (852, 252879), (869, 247932), (873, 246796), (948, 227271), (1067, 201924), (1164, 185097), (1278, 168586), (1422, 151514), (1562, 137934), (1738, 123966), (1746, 123398), (2134, 100962), (2343, 91956), (2556, 84293), (2607, 82644), (2844, 75757), (3124, 68967), (3201, 67308), (3476, 61983), (3492, 61699), (4268, 50481), (4686, 45978), (5214, 41322), (5609, 38412), (6402, 33654), (6887, 31284), (7029, 30652), (7663, 28116), (7821, 27548), (9372, 22989), (9603, 22436), (10428, 20661), (11218, 19206), (12804, 16827), (13774, 15642), (14058, 15326)]