51209210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 104315904

約数和(自身を除く): 53106694

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 97, 130, 131, 155, 194, 262, 310, 403, 485, 655, 806, 970, 1261, 1310, 1703, 2015, 2522, 3007, 3406, 4030, 4061, 6014, 6305, 8122, 8515, 12610, 12707, 15035, 17030, 20305, 25414, 30070, 39091, 40610, 52793, 63535, 78182, 105586, 127070, 165191, 195455, 263965, 330382, 390910, 393917, 527930, 787834, 825955, 1651910, 1969585, 3939170, 5120921, 10241842, 25604605, 51209210]

約数ペア:

[(1, 51209210), (2, 25604605), (5, 10241842), (10, 5120921), (13, 3939170), (26, 1969585), (31, 1651910), (62, 825955), (65, 787834), (97, 527930), (130, 393917), (131, 390910), (155, 330382), (194, 263965), (262, 195455), (310, 165191), (403, 127070), (485, 105586), (655, 78182), (806, 63535), (970, 52793), (1261, 40610), (1310, 39091), (1703, 30070), (2015, 25414), (2522, 20305), (3007, 17030), (3406, 15035), (4030, 12707), (4061, 12610), (6014, 8515), (6305, 8122)]