204871718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 357696000

約数和(自身を除く): 152824282

約数列:

[1, 2, 19, 23, 29, 38, 46, 58, 59, 118, 137, 274, 437, 551, 667, 874, 1102, 1121, 1334, 1357, 1711, 2242, 2603, 2714, 3151, 3422, 3973, 5206, 6302, 7946, 8083, 12673, 16166, 25346, 25783, 32509, 39353, 51566, 59869, 65018, 75487, 78706, 91379, 119738, 150974, 153577, 182758, 185909, 234407, 307154, 371818, 468814, 747707, 1495414, 1736201, 3472402, 3532271, 4453733, 5391361, 7064542, 8907466, 10782722, 102435859, 204871718]

約数ペア:

[(1, 204871718), (2, 102435859), (19, 10782722), (23, 8907466), (29, 7064542), (38, 5391361), (46, 4453733), (58, 3532271), (59, 3472402), (118, 1736201), (137, 1495414), (274, 747707), (437, 468814), (551, 371818), (667, 307154), (874, 234407), (1102, 185909), (1121, 182758), (1334, 153577), (1357, 150974), (1711, 119738), (2242, 91379), (2603, 78706), (2714, 75487), (3151, 65018), (3422, 59869), (3973, 51566), (5206, 39353), (6302, 32509), (7946, 25783), (8083, 25346), (12673, 16166)]