28251678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{877}}^1$

素因数の和:961

約数の個数: 64

約数和(自身を含む): 70801920

約数和(自身を除く): 42550242

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 59, 78, 91, 118, 177, 182, 273, 354, 413, 546, 767, 826, 877, 1239, 1534, 1754, 2301, 2478, 2631, 4602, 5262, 5369, 6139, 10738, 11401, 12278, 16107, 18417, 22802, 32214, 34203, 36834, 51743, 68406, 79807, 103486, 155229, 159614, 239421, 310458, 362201, 478842, 672659, 724402, 1086603, 1345318, 2017977, 2173206, 4035954, 4708613, 9417226, 14125839, 28251678]

約数ペア:

[(1, 28251678), (2, 14125839), (3, 9417226), (6, 4708613), (7, 4035954), (13, 2173206), (14, 2017977), (21, 1345318), (26, 1086603), (39, 724402), (42, 672659), (59, 478842), (78, 362201), (91, 310458), (118, 239421), (177, 159614), (182, 155229), (273, 103486), (354, 79807), (413, 68406), (546, 51743), (767, 36834), (826, 34203), (877, 32214), (1239, 22802), (1534, 18417), (1754, 16107), (2301, 12278), (2478, 11401), (2631, 10738), (4602, 6139), (5262, 5369)]