397185392

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 838874880

約数和(自身を除く): 441689488

約数列:

[1, 2, 4, 8, 16, 29, 31, 53, 58, 62, 106, 116, 124, 212, 232, 248, 424, 464, 496, 521, 848, 899, 1042, 1537, 1643, 1798, 2084, 3074, 3286, 3596, 4168, 6148, 6572, 7192, 8336, 12296, 13144, 14384, 15109, 16151, 24592, 26288, 27613, 30218, 32302, 47647, 55226, 60436, 64604, 95294, 110452, 120872, 129208, 190588, 220904, 241744, 258416, 381176, 441808, 468379, 762352, 800777, 856003, 936758, 1601554, 1712006, 1873516, 3203108, 3424012, 3747032, 6406216, 6848024, 7494064, 12812432, 13696048, 24824087, 49648174, 99296348, 198592696, 397185392]

約数ペア:

[(1, 397185392), (2, 198592696), (4, 99296348), (8, 49648174), (16, 24824087), (29, 13696048), (31, 12812432), (53, 7494064), (58, 6848024), (62, 6406216), (106, 3747032), (116, 3424012), (124, 3203108), (212, 1873516), (232, 1712006), (248, 1601554), (424, 936758), (464, 856003), (496, 800777), (521, 762352), (848, 468379), (899, 441808), (1042, 381176), (1537, 258416), (1643, 241744), (1798, 220904), (2084, 190588), (3074, 129208), (3286, 120872), (3596, 110452), (4168, 95294), (6148, 64604), (6572, 60436), (7192, 55226), (8336, 47647), (12296, 32302), (13144, 30218), (14384, 27613), (15109, 26288), (16151, 24592)]