399431032

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1677

約数の個数: 128

約数和(自身を含む): 1038643200

約数和(自身を除く): 639212168

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 31, 44, 52, 56, 62, 77, 88, 91, 104, 124, 143, 154, 182, 217, 248, 286, 308, 341, 364, 403, 434, 572, 616, 682, 728, 806, 868, 1001, 1144, 1364, 1609, 1612, 1736, 2002, 2387, 2728, 2821, 3218, 3224, 4004, 4433, 4774, 5642, 6436, 8008, 8866, 9548, 11263, 11284, 12872, 17699, 17732, 19096, 20917, 22526, 22568, 31031, 35398, 35464, 41834, 45052, 49879, 62062, 70796, 83668, 90104, 99758, 123893, 124124, 141592, 146419, 167336, 199516, 230087, 247786, 248248, 292838, 349153, 399032, 460174, 495572, 548669, 585676, 648427, 698306, 920348, 991144, 1097338, 1171352, 1296854, 1396612, 1610609, 1840696, 2194676, 2593708, 2793224, 3221218, 3840683, 4389352, 4538989, 5187416, 6442436, 7132697, 7681366, 9077978, 12884872, 14265394, 15362732, 18155956, 28530788, 30725464, 36311912, 49928879, 57061576, 99857758, 199715516, 399431032]

約数ペア:

[(1, 399431032), (2, 199715516), (4, 99857758), (7, 57061576), (8, 49928879), (11, 36311912), (13, 30725464), (14, 28530788), (22, 18155956), (26, 15362732), (28, 14265394), (31, 12884872), (44, 9077978), (52, 7681366), (56, 7132697), (62, 6442436), (77, 5187416), (88, 4538989), (91, 4389352), (104, 3840683), (124, 3221218), (143, 2793224), (154, 2593708), (182, 2194676), (217, 1840696), (248, 1610609), (286, 1396612), (308, 1296854), (341, 1171352), (364, 1097338), (403, 991144), (434, 920348), (572, 698306), (616, 648427), (682, 585676), (728, 548669), (806, 495572), (868, 460174), (1001, 399032), (1144, 349153), (1364, 292838), (1609, 248248), (1612, 247786), (1736, 230087), (2002, 199516), (2387, 167336), (2728, 146419), (2821, 141592), (3218, 124124), (3224, 123893), (4004, 99758), (4433, 90104), (4774, 83668), (5642, 70796), (6436, 62062), (8008, 49879), (8866, 45052), (9548, 41834), (11263, 35464), (11284, 35398), (12872, 31031), (17699, 22568), (17732, 22526), (19096, 20917)]