1644294808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1665

約数の個数: 128

約数和(自身を含む): 3822336000

約数和(自身を除く): 2178041192

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 31, 34, 38, 52, 62, 68, 76, 104, 124, 136, 152, 221, 247, 248, 323, 403, 442, 494, 527, 589, 646, 806, 884, 988, 1054, 1178, 1292, 1579, 1612, 1768, 1976, 2108, 2356, 2584, 3158, 3224, 4199, 4216, 4712, 6316, 6851, 7657, 8398, 10013, 12632, 13702, 15314, 16796, 20026, 20527, 26843, 27404, 30001, 30628, 33592, 40052, 41054, 48949, 53686, 54808, 60002, 61256, 80104, 82108, 97898, 107372, 120004, 130169, 164216, 195796, 214744, 240008, 260338, 348959, 390013, 391592, 510017, 520676, 636337, 697918, 780026, 832133, 930031, 1020034, 1041352, 1272674, 1395836, 1560052, 1664266, 1860062, 2040068, 2545348, 2791672, 3120104, 3328532, 3720124, 4080136, 5090696, 6630221, 6657064, 7440248, 10817729, 12090403, 13260442, 15810527, 21635458, 24180806, 26520884, 31621054, 43270916, 48361612, 53041768, 63242108, 86541832, 96723224, 126484216, 205536851, 411073702, 822147404, 1644294808]

約数ペア:

[(1, 1644294808), (2, 822147404), (4, 411073702), (8, 205536851), (13, 126484216), (17, 96723224), (19, 86541832), (26, 63242108), (31, 53041768), (34, 48361612), (38, 43270916), (52, 31621054), (62, 26520884), (68, 24180806), (76, 21635458), (104, 15810527), (124, 13260442), (136, 12090403), (152, 10817729), (221, 7440248), (247, 6657064), (248, 6630221), (323, 5090696), (403, 4080136), (442, 3720124), (494, 3328532), (527, 3120104), (589, 2791672), (646, 2545348), (806, 2040068), (884, 1860062), (988, 1664266), (1054, 1560052), (1178, 1395836), (1292, 1272674), (1579, 1041352), (1612, 1020034), (1768, 930031), (1976, 832133), (2108, 780026), (2356, 697918), (2584, 636337), (3158, 520676), (3224, 510017), (4199, 391592), (4216, 390013), (4712, 348959), (6316, 260338), (6851, 240008), (7657, 214744), (8398, 195796), (10013, 164216), (12632, 130169), (13702, 120004), (15314, 107372), (16796, 97898), (20026, 82108), (20527, 80104), (26843, 61256), (27404, 60002), (30001, 54808), (30628, 53686), (33592, 48949), (40052, 41054)]