28333890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 80838576

約数和(自身を除く): 52504686

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 61, 65, 78, 90, 117, 122, 130, 183, 195, 234, 305, 366, 390, 397, 549, 585, 610, 793, 794, 915, 1098, 1170, 1191, 1586, 1830, 1985, 2379, 2382, 2745, 3573, 3965, 3970, 4758, 5161, 5490, 5955, 7137, 7146, 7930, 10322, 11895, 11910, 14274, 15483, 17865, 23790, 24217, 25805, 30966, 35685, 35730, 46449, 48434, 51610, 71370, 72651, 77415, 92898, 121085, 145302, 154830, 217953, 232245, 242170, 314821, 363255, 435906, 464490, 629642, 726510, 944463, 1089765, 1574105, 1888926, 2179530, 2833389, 3148210, 4722315, 5666778, 9444630, 14166945, 28333890]

約数ペア:

[(1, 28333890), (2, 14166945), (3, 9444630), (5, 5666778), (6, 4722315), (9, 3148210), (10, 2833389), (13, 2179530), (15, 1888926), (18, 1574105), (26, 1089765), (30, 944463), (39, 726510), (45, 629642), (61, 464490), (65, 435906), (78, 363255), (90, 314821), (117, 242170), (122, 232245), (130, 217953), (183, 154830), (195, 145302), (234, 121085), (305, 92898), (366, 77415), (390, 72651), (397, 71370), (549, 51610), (585, 48434), (610, 46449), (793, 35730), (794, 35685), (915, 30966), (1098, 25805), (1170, 24217), (1191, 23790), (1586, 17865), (1830, 15483), (1985, 14274), (2379, 11910), (2382, 11895), (2745, 10322), (3573, 7930), (3965, 7146), (3970, 7137), (4758, 5955), (5161, 5490)]