209275172

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 387760128

約数和(自身を除く): 178484956

約数列:

[1, 2, 4, 31, 62, 97, 124, 127, 137, 194, 254, 274, 388, 508, 548, 3007, 3937, 4247, 6014, 7874, 8494, 12028, 12319, 13289, 15748, 16988, 17399, 24638, 26578, 34798, 49276, 53156, 69596, 381889, 411959, 539369, 763778, 823918, 1078738, 1527556, 1647836, 1687703, 2157476, 3375406, 6750812, 52318793, 104637586, 209275172]

約数ペア:

[(1, 209275172), (2, 104637586), (4, 52318793), (31, 6750812), (62, 3375406), (97, 2157476), (124, 1687703), (127, 1647836), (137, 1527556), (194, 1078738), (254, 823918), (274, 763778), (388, 539369), (508, 411959), (548, 381889), (3007, 69596), (3937, 53156), (4247, 49276), (6014, 34798), (7874, 26578), (8494, 24638), (12028, 17399), (12319, 16988), (13289, 15748)]