28385702916

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{211373}}^1$

素因数の和:211449

約数の個数: 72

約数和(自身を含む): 72158010624

約数和(自身を除く): 43772307708

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 114, 124, 186, 228, 361, 372, 589, 722, 1083, 1178, 1444, 1767, 2166, 2356, 3534, 4332, 7068, 11191, 22382, 33573, 44764, 67146, 134292, 211373, 422746, 634119, 845492, 1268238, 2536476, 4016087, 6552563, 8032174, 12048261, 13105126, 16064348, 19657689, 24096522, 26210252, 39315378, 48193044, 76305653, 78630756, 124498697, 152611306, 228916959, 248997394, 305222612, 373496091, 457833918, 497994788, 746992182, 915667836, 1493984364, 2365475243, 4730950486, 7096425729, 9461900972, 14192851458, 28385702916]

約数ペア:

[(1, 28385702916), (2, 14192851458), (3, 9461900972), (4, 7096425729), (6, 4730950486), (12, 2365475243), (19, 1493984364), (31, 915667836), (38, 746992182), (57, 497994788), (62, 457833918), (76, 373496091), (93, 305222612), (114, 248997394), (124, 228916959), (186, 152611306), (228, 124498697), (361, 78630756), (372, 76305653), (589, 48193044), (722, 39315378), (1083, 26210252), (1178, 24096522), (1444, 19657689), (1767, 16064348), (2166, 13105126), (2356, 12048261), (3534, 8032174), (4332, 6552563), (7068, 4016087), (11191, 2536476), (22382, 1268238), (33573, 845492), (44764, 634119), (67146, 422746), (134292, 211373)]