789144556

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 108

約数和(自身を含む): 1624437696

約数和(自身を除く): 835293140

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 61, 62, 68, 76, 122, 124, 244, 289, 323, 361, 527, 578, 589, 646, 722, 1037, 1054, 1156, 1159, 1178, 1292, 1444, 1891, 2074, 2108, 2318, 2356, 3782, 4148, 4636, 5491, 6137, 7564, 8959, 10013, 10982, 11191, 12274, 17629, 17918, 19703, 20026, 21964, 22021, 22382, 24548, 32147, 35258, 35836, 35929, 39406, 40052, 44042, 44764, 64294, 70516, 71858, 78812, 88084, 104329, 128588, 143716, 170221, 190247, 208658, 334951, 340442, 374357, 380494, 417316, 546499, 610793, 669902, 680884, 682651, 748714, 760988, 1092998, 1221586, 1339804, 1365302, 1497428, 2185996, 2443172, 2730604, 3234199, 6364069, 6468398, 10383481, 11605067, 12728138, 12936796, 20766962, 23210134, 25456276, 41533924, 46420268, 197286139, 394572278, 789144556]

約数ペア:

[(1, 789144556), (2, 394572278), (4, 197286139), (17, 46420268), (19, 41533924), (31, 25456276), (34, 23210134), (38, 20766962), (61, 12936796), (62, 12728138), (68, 11605067), (76, 10383481), (122, 6468398), (124, 6364069), (244, 3234199), (289, 2730604), (323, 2443172), (361, 2185996), (527, 1497428), (578, 1365302), (589, 1339804), (646, 1221586), (722, 1092998), (1037, 760988), (1054, 748714), (1156, 682651), (1159, 680884), (1178, 669902), (1292, 610793), (1444, 546499), (1891, 417316), (2074, 380494), (2108, 374357), (2318, 340442), (2356, 334951), (3782, 208658), (4148, 190247), (4636, 170221), (5491, 143716), (6137, 128588), (7564, 104329), (8959, 88084), (10013, 78812), (10982, 71858), (11191, 70516), (12274, 64294), (17629, 44764), (17918, 44042), (19703, 40052), (20026, 39406), (21964, 35929), (22021, 35836), (22382, 35258), (24548, 32147)]