28696356

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:792

約数の個数: 84

約数和(自身を含む): 81192412

約数和(自身を除く): 52496056

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 729, 757, 972, 1053, 1404, 1458, 1514, 2106, 2271, 2916, 3028, 3159, 4212, 4542, 6318, 6813, 9084, 9477, 9841, 12636, 13626, 18954, 19682, 20439, 27252, 29523, 37908, 39364, 40878, 59046, 61317, 81756, 88569, 118092, 122634, 177138, 183951, 245268, 265707, 354276, 367902, 531414, 551853, 735804, 797121, 1062828, 1103706, 1594242, 2207412, 2391363, 3188484, 4782726, 7174089, 9565452, 14348178, 28696356]

約数ペア:

[(1, 28696356), (2, 14348178), (3, 9565452), (4, 7174089), (6, 4782726), (9, 3188484), (12, 2391363), (13, 2207412), (18, 1594242), (26, 1103706), (27, 1062828), (36, 797121), (39, 735804), (52, 551853), (54, 531414), (78, 367902), (81, 354276), (108, 265707), (117, 245268), (156, 183951), (162, 177138), (234, 122634), (243, 118092), (324, 88569), (351, 81756), (468, 61317), (486, 59046), (702, 40878), (729, 39364), (757, 37908), (972, 29523), (1053, 27252), (1404, 20439), (1458, 19682), (1514, 18954), (2106, 13626), (2271, 12636), (2916, 9841), (3028, 9477), (3159, 9084), (4212, 6813), (4542, 6318)]