81278652

素因数分解:

$2^2\times 3^1\times 7^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 144

約数和(自身を含む): 245962752

約数和(自身を除く): 164684100

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 49, 52, 62, 78, 84, 91, 93, 98, 124, 147, 156, 182, 186, 196, 217, 273, 294, 343, 364, 372, 403, 434, 546, 588, 637, 651, 686, 806, 868, 1029, 1092, 1209, 1274, 1302, 1372, 1519, 1612, 1911, 2058, 2401, 2418, 2548, 2604, 2821, 3038, 3822, 4116, 4459, 4557, 4802, 4836, 5642, 6076, 7203, 7644, 8463, 8918, 9114, 9604, 10633, 11284, 13377, 14406, 16807, 16926, 17836, 18228, 19747, 21266, 26754, 28812, 31213, 31899, 33614, 33852, 39494, 42532, 50421, 53508, 59241, 62426, 63798, 67228, 74431, 78988, 93639, 100842, 118482, 124852, 127596, 138229, 148862, 187278, 201684, 218491, 223293, 236964, 276458, 297724, 374556, 414687, 436982, 446586, 521017, 552916, 655473, 829374, 873964, 893172, 967603, 1042034, 1310946, 1563051, 1658748, 1935206, 2084068, 2621892, 2902809, 3126102, 3870412, 5805618, 6252204, 6773221, 11611236, 13546442, 20319663, 27092884, 40639326, 81278652]

約数ペア:

[(1, 81278652), (2, 40639326), (3, 27092884), (4, 20319663), (6, 13546442), (7, 11611236), (12, 6773221), (13, 6252204), (14, 5805618), (21, 3870412), (26, 3126102), (28, 2902809), (31, 2621892), (39, 2084068), (42, 1935206), (49, 1658748), (52, 1563051), (62, 1310946), (78, 1042034), (84, 967603), (91, 893172), (93, 873964), (98, 829374), (124, 655473), (147, 552916), (156, 521017), (182, 446586), (186, 436982), (196, 414687), (217, 374556), (273, 297724), (294, 276458), (343, 236964), (364, 223293), (372, 218491), (403, 201684), (434, 187278), (546, 148862), (588, 138229), (637, 127596), (651, 124852), (686, 118482), (806, 100842), (868, 93639), (1029, 78988), (1092, 74431), (1209, 67228), (1274, 63798), (1302, 62426), (1372, 59241), (1519, 53508), (1612, 50421), (1911, 42532), (2058, 39494), (2401, 33852), (2418, 33614), (2548, 31899), (2604, 31213), (2821, 28812), (3038, 26754), (3822, 21266), (4116, 19747), (4459, 18228), (4557, 17836), (4802, 16926), (4836, 16807), (5642, 14406), (6076, 13377), (7203, 11284), (7644, 10633), (8463, 9604), (8918, 9114)]