121378972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 255257856

約数和(自身を除く): 133878884

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 101, 121, 143, 191, 202, 242, 286, 382, 404, 484, 572, 764, 1111, 1313, 1573, 2101, 2222, 2483, 2626, 3146, 4202, 4444, 4966, 5252, 6292, 8404, 9932, 12221, 14443, 19291, 23111, 24442, 27313, 28886, 38582, 46222, 48884, 54626, 57772, 77164, 92444, 109252, 158873, 212201, 250783, 300443, 317746, 424402, 501566, 600886, 635492, 848804, 1003132, 1201772, 2334211, 2758613, 4668422, 5517226, 9336844, 11034452, 30344743, 60689486, 121378972]

約数ペア:

[(1, 121378972), (2, 60689486), (4, 30344743), (11, 11034452), (13, 9336844), (22, 5517226), (26, 4668422), (44, 2758613), (52, 2334211), (101, 1201772), (121, 1003132), (143, 848804), (191, 635492), (202, 600886), (242, 501566), (286, 424402), (382, 317746), (404, 300443), (484, 250783), (572, 212201), (764, 158873), (1111, 109252), (1313, 92444), (1573, 77164), (2101, 57772), (2222, 54626), (2483, 48884), (2626, 46222), (3146, 38582), (4202, 28886), (4444, 27313), (4966, 24442), (5252, 23111), (6292, 19291), (8404, 14443), (9932, 12221)]