78971732

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 172454184

約数和(自身を除く): 93482452

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 137, 173, 196, 238, 274, 346, 476, 548, 692, 833, 959, 1211, 1666, 1918, 2329, 2422, 2941, 3332, 3836, 4658, 4844, 5882, 6713, 8477, 9316, 11764, 13426, 16303, 16954, 20587, 23701, 26852, 32606, 33908, 41174, 47402, 65212, 82348, 94804, 114121, 144109, 165907, 228242, 288218, 331814, 402917, 456484, 576436, 663628, 805834, 1161349, 1611668, 2322698, 2820419, 4645396, 5640838, 11281676, 19742933, 39485866, 78971732]

約数ペア:

[(1, 78971732), (2, 39485866), (4, 19742933), (7, 11281676), (14, 5640838), (17, 4645396), (28, 2820419), (34, 2322698), (49, 1611668), (68, 1161349), (98, 805834), (119, 663628), (137, 576436), (173, 456484), (196, 402917), (238, 331814), (274, 288218), (346, 228242), (476, 165907), (548, 144109), (692, 114121), (833, 94804), (959, 82348), (1211, 65212), (1666, 47402), (1918, 41174), (2329, 33908), (2422, 32606), (2941, 26852), (3332, 23701), (3836, 20587), (4658, 16954), (4844, 16303), (5882, 13426), (6713, 11764), (8477, 9316)]