72421518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 163989504

約数和(自身を除く): 91567986

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 61, 62, 78, 93, 122, 183, 186, 366, 403, 491, 793, 806, 982, 1209, 1473, 1586, 1891, 2379, 2418, 2946, 3782, 4758, 5673, 6383, 11346, 12766, 15221, 19149, 24583, 29951, 30442, 38298, 45663, 49166, 59902, 73749, 89853, 91326, 147498, 179706, 197873, 389363, 395746, 593619, 778726, 928481, 1168089, 1187238, 1856962, 2336178, 2785443, 5570886, 12070253, 24140506, 36210759, 72421518]

約数ペア:

[(1, 72421518), (2, 36210759), (3, 24140506), (6, 12070253), (13, 5570886), (26, 2785443), (31, 2336178), (39, 1856962), (61, 1187238), (62, 1168089), (78, 928481), (93, 778726), (122, 593619), (183, 395746), (186, 389363), (366, 197873), (403, 179706), (491, 147498), (793, 91326), (806, 89853), (982, 73749), (1209, 59902), (1473, 49166), (1586, 45663), (1891, 38298), (2379, 30442), (2418, 29951), (2946, 24583), (3782, 19149), (4758, 15221), (5673, 12766), (6383, 11346)]