8878428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 24644256

約数和(自身を除く): 15765828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 311, 366, 468, 549, 622, 732, 793, 933, 1098, 1244, 1586, 1866, 2196, 2379, 2799, 3172, 3732, 4043, 4758, 5598, 7137, 8086, 9516, 11196, 12129, 14274, 16172, 18971, 24258, 28548, 36387, 37942, 48516, 56913, 72774, 75884, 113826, 145548, 170739, 227652, 246623, 341478, 493246, 682956, 739869, 986492, 1479738, 2219607, 2959476, 4439214, 8878428]

約数ペア:

[(1, 8878428), (2, 4439214), (3, 2959476), (4, 2219607), (6, 1479738), (9, 986492), (12, 739869), (13, 682956), (18, 493246), (26, 341478), (36, 246623), (39, 227652), (52, 170739), (61, 145548), (78, 113826), (117, 75884), (122, 72774), (156, 56913), (183, 48516), (234, 37942), (244, 36387), (311, 28548), (366, 24258), (468, 18971), (549, 16172), (622, 14274), (732, 12129), (793, 11196), (933, 9516), (1098, 8086), (1244, 7137), (1586, 5598), (1866, 4758), (2196, 4043), (2379, 3732), (2799, 3172)]