78828796

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 160057520

約数和(自身を除く): 81228724

約数列:

[1, 2, 4, 17, 19, 34, 37, 38, 68, 74, 76, 97, 148, 194, 289, 323, 388, 578, 629, 646, 703, 1156, 1258, 1292, 1406, 1649, 1843, 2516, 2812, 3298, 3589, 3686, 5491, 6596, 7178, 7372, 10693, 10982, 11951, 14356, 21386, 21964, 23902, 28033, 31331, 42772, 47804, 56066, 61013, 62662, 68191, 112132, 122026, 125324, 136382, 203167, 244052, 272764, 406334, 532627, 812668, 1037221, 1065254, 1159247, 2074442, 2130508, 2318494, 4148884, 4636988, 19707199, 39414398, 78828796]

約数ペア:

[(1, 78828796), (2, 39414398), (4, 19707199), (17, 4636988), (19, 4148884), (34, 2318494), (37, 2130508), (38, 2074442), (68, 1159247), (74, 1065254), (76, 1037221), (97, 812668), (148, 532627), (194, 406334), (289, 272764), (323, 244052), (388, 203167), (578, 136382), (629, 125324), (646, 122026), (703, 112132), (1156, 68191), (1258, 62662), (1292, 61013), (1406, 56066), (1649, 47804), (1843, 42772), (2516, 31331), (2812, 28033), (3298, 23902), (3589, 21964), (3686, 21386), (5491, 14356), (6596, 11951), (7178, 10982), (7372, 10693)]