78889730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1471}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 147529728

約数和(自身を除く): 68639998

約数列:

[1, 2, 5, 10, 31, 62, 155, 173, 310, 346, 865, 1471, 1730, 2942, 5363, 7355, 10726, 14710, 26815, 45601, 53630, 91202, 228005, 254483, 456010, 508966, 1272415, 2544830, 7888973, 15777946, 39444865, 78889730]

約数ペア:

[(1, 78889730), (2, 39444865), (5, 15777946), (10, 7888973), (31, 2544830), (62, 1272415), (155, 508966), (173, 456010), (310, 254483), (346, 228005), (865, 91202), (1471, 53630), (1730, 45601), (2942, 26815), (5363, 14710), (7355, 10726)]