15721441424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1\times {\mathrm{4523}}^1$

素因数の和:5544

約数の個数: 80

約数和(自身を含む): 34776024192

約数和(自身を除く): 19054582768

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 983, 1768, 1966, 3536, 3932, 4523, 7864, 9046, 12779, 15728, 16711, 18092, 25558, 33422, 36184, 51116, 58799, 66844, 72368, 76891, 102232, 117598, 133688, 153782, 204464, 217243, 235196, 267376, 307564, 434486, 470392, 615128, 868972, 940784, 999583, 1230256, 1737944, 1999166, 3475888, 3998332, 4446109, 7996664, 8892218, 15993328, 17784436, 35568872, 57799417, 71137744, 75583853, 115598834, 151167706, 231197668, 302335412, 462395336, 604670824, 924790672, 982590089, 1209341648, 1965180178, 3930360356, 7860720712, 15721441424]

約数ペア:

[(1, 15721441424), (2, 7860720712), (4, 3930360356), (8, 1965180178), (13, 1209341648), (16, 982590089), (17, 924790672), (26, 604670824), (34, 462395336), (52, 302335412), (68, 231197668), (104, 151167706), (136, 115598834), (208, 75583853), (221, 71137744), (272, 57799417), (442, 35568872), (884, 17784436), (983, 15993328), (1768, 8892218), (1966, 7996664), (3536, 4446109), (3932, 3998332), (4523, 3475888), (7864, 1999166), (9046, 1737944), (12779, 1230256), (15728, 999583), (16711, 940784), (18092, 868972), (25558, 615128), (33422, 470392), (36184, 434486), (51116, 307564), (58799, 267376), (66844, 235196), (72368, 217243), (76891, 204464), (102232, 153782), (117598, 133688)]