155109275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 214771968

約数和(自身を除く): 59662693

約数列:

[1, 5, 17, 25, 31, 61, 85, 155, 193, 305, 425, 527, 775, 965, 1037, 1525, 1891, 2635, 3281, 4825, 5185, 5983, 9455, 11773, 13175, 16405, 25925, 29915, 32147, 47275, 58865, 82025, 101711, 149575, 160735, 200141, 294325, 364963, 508555, 803675, 1000705, 1824815, 2542775, 5003525, 6204371, 9124075, 31021855, 155109275]

約数ペア:

[(1, 155109275), (5, 31021855), (17, 9124075), (25, 6204371), (31, 5003525), (61, 2542775), (85, 1824815), (155, 1000705), (193, 803675), (305, 508555), (425, 364963), (527, 294325), (775, 200141), (965, 160735), (1037, 149575), (1525, 101711), (1891, 82025), (2635, 58865), (3281, 47275), (4825, 32147), (5185, 29915), (5983, 25925), (9455, 16405), (11773, 13175)]