664041352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1406

約数の個数: 64

約数和(自身を含む): 1424908800

約数和(自身を除く): 760867448

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 379, 442, 758, 884, 991, 1516, 1768, 1982, 3032, 3964, 4927, 6443, 7928, 9854, 12883, 12886, 16847, 19708, 25766, 25772, 33694, 39416, 51532, 51544, 67388, 83759, 103064, 134776, 167518, 219011, 335036, 375589, 438022, 670072, 751178, 876044, 1502356, 1752088, 3004712, 4882657, 6385013, 9765314, 12770026, 19530628, 25540052, 39061256, 51080104, 83005169, 166010338, 332020676, 664041352]

約数ペア:

[(1, 664041352), (2, 332020676), (4, 166010338), (8, 83005169), (13, 51080104), (17, 39061256), (26, 25540052), (34, 19530628), (52, 12770026), (68, 9765314), (104, 6385013), (136, 4882657), (221, 3004712), (379, 1752088), (442, 1502356), (758, 876044), (884, 751178), (991, 670072), (1516, 438022), (1768, 375589), (1982, 335036), (3032, 219011), (3964, 167518), (4927, 134776), (6443, 103064), (7928, 83759), (9854, 67388), (12883, 51544), (12886, 51532), (16847, 39416), (19708, 33694), (25766, 25772)]